Hose-coupling.



No. 735,401. 7 PATENTED AUG. 4, 1903 J. R. MoPALL.

HOSE COUPLING.

APPLICATION rum) MAR. 16. 1902.

N0 MODEL.

m /rlvzssfs: K/Waw A (gaff? "Tim/w m: NORRKS PETERS co, Pncrrn-umo, WASHINGTON, L c

had to the accompanying drawings, forming "apart hereof. r

- PATENT Patented August 4, 1903.

EEIcE.

JAMES R. MGFALL, OF STVLOUIS, MISSOURI.

HOSE-COUPLING. f

SPECIFICATION forming part of LettersgPatent No. 735,401, dated August 4, 1903.

Application filed March 16, 1903.

seriaiun. 148,033. (No model.)

tainnew and useful Improvements in Hose-I Couplings, of which the following is a full, clear, and exact description, reference beingf My invention has relation to improvements in hose-couplings; and it consists in the novel construction of coupling more fully set forth in. the specification and pointed out in the claims. p

In the drawings, Figure 1 is an elevation of. the coupling with the two sections thereof assembled and locked. Fig. 2 is a horizontal section on line 2 2 of Fig. 4. Fig. 3 is an 19: vation showing the two sections in position for being coupled. Fig.4 is an inner. end? View of the female section.

Fig. 5 is an innor end view of male section. Fig. 6 is a sec tional detail of the plugs on line 6 6 of Fig. 2, and Fig. 7 is a sectionaldetail showing the locking'latch of thecoupling. i The object of my invention is to construct a coupling by means of which two sections of hose or pipe can be instantly coupled or un-f coupled, entailing the loss of a minimum amount of time in the operation.

. A further object is to construct a coupler which will be simple, cheap, and durable, one

in which a section thereof may be directly attached to a fire-plug, and one possessing further and other advantages better apparent from a detailed description of the invention,

which is as follows:

Referring to the drawings, 1 represents the female section of the coupler, and 1 the male section, which the same is adapted to receive. Disposed along the edge of the end of the female section which receives the male are a series of angular recesses 2, the outer end of each recess being substantially parallel to the axis of the coupling and the inner end being disposed peripherally in a plane at right angles to the axis. Disposed radially along the periphery of the adjacent end of the male section are a series of pegs or pins 3, which in the assembling of the sections are brought axially into alinement with the outer portions of the recesses 2, Fig. 3, into which they are inserted, when the male section is given .a slight turn until the pins engage the bases of the inner portions of said recesses, Fig. 1, when the two sections are fully engaged. The outer Wall of the female section is provided with a latch 4, pivoted to a plate 5, secured to thewall of the female section, the latch being confined in a groove 6 in said plate to be fully'protected. Thespringfibyfwhich thelatch is actuated, is preferably in the form of abow and rests within a chamber 8, formed in the plate, the normal tendency of the.

spring being to force the opposite end of the v latch toward the axis of the coupling. The

"male section has formed thereon a peripheral enlargement or ridge 9, having an elongated groove or socket 9, into which the latch is forced when the socket comes opposite the :latch.

"In coupling the parts in the manner pre- "viously indicated the ridge 9 occupies a position to one side of the latch, Fig. 3; but when the final turn is imparted to the male section "to bring the pegs 3 into the bottoms of the inner portions of the angular recesses the locking end of the latch rides up the inclined walls of the ridge and at the proper moment drops into the groove 9 under the action of thespring 7 and the parts are locked, Fig. 1. It will be observed that the groove 9 is elongated beyond the dimensions which would be sufficient to receive the locking end of the latch, the object of such elongation being to afford suflicient room for the insertion of the finger when it is desired to disengage the latch to permit the uncoupling of the sections, Fig. 7.

Mounted within the female section is a hollow plug having an inner exteriOrly-screwthreaded head 10 and an outer tapering smooth stem 10, the taper on the stem 10 corresponding to the taper of the :inner peripheral surface of the section carrying the same. The inner wall of the head 10 is provided with longitudinal depressions or sockets 11 for the reception of the teeth of a suitable wrench, (not shown,) by means of which the plug may be screwed or unscrewed. lVhen driven fully home, the head is limited by a shoulder 12, formed on the section 1. The inner wall of the tapering end of the section 1 is provided with a series of corrugations or ridges 13 to afford a better frictional cent end of a similar plug 15, carried by the male section. The plug 15 is composed like wise of a head 15 and a conical or tapering stem 15' and in a similar manner serves to grip the end of the adjacent hose-section H, being providedwith similar sockets 11 for engagement with a driving-tool. The shoulder 16 limits the plug 15 when fully driven home. The diameters of the heads of the respective plugs are substantially the same, so as to form a practically continuous surface when the parts are assembled, the

section 1 snugly fitting within the section 1' and the head 10 snugly fitting the section 1,

, and when the parts are fully assembled the inner end of the male section 1 is limited by the annular shoulder 17, formed in the female. In order that a quick coupling of the two sections may be effected, it will be noticed that the outer end of the head- 10 and the adjacent end of the section 1 are disposed in the same transverse plane, so that one part does not project beyond the other. In this way there is no obstruction in the way of a read yinsertion of the male section into the an nular space between the head 10 and inner wall of the section 1, and the coupling can be effected with a minimum loss of time.

It is of course to be understood that I need not limit myself to the precise details here shown, as these may in a measure be departed .from without affecting the nature or spirit of my invention.

Having described my invention, what I claim is- 1. A hose-coupling comprising a male and female section, a hollow plug having a screwthreaded head and a tapering or conical stem mounted in eachof the sections, the end of the head in the female being disposed in the same transverse plane with the adjacent end of the female section, asuitable annular space being formed for the reception of the adjacent end of the male section, terminal annular grooves in the adjacent ends of the heads, a gasket received by said grooves, the ends of the hose being received in the spaces between the tapering stems and the adjacent walls of the sections, and means for coupling the sections, substantially as set forth.

2.- A hose-coupling comprising a male and female section, a series of angular recesses disposed at one end of the female section, a

series of pins radially distributed at one end tered the recesses, substantially as set forth. 7

3. A hose-coupling comprising a male and female section, a plug having a screw-threaded head and a smooth tapering stem mounted in each of the sections, sockets or depressions formed in the respective heads for turning the same by means of a tool, terminal annular grooves formed in the adjacent ends of the heads, a gasket received by said grooves,

the ends of the hose being adapted to be gripped between the tapering stems of the plugs and the adjacent inner walls of the respective sections, and means for coupling and locking the sections, substantially as set forth.

4. A hose-coupling comprising a male and female section, a hollow plug having a screwthreaded head and a smooth tapering or conical stein mounted in each of the sections, the end of the head in the female being disposed in the same transverse plane with the adjacent end of the female section, a suitable annular space being formed for the reception of the adjacent end of the male section, depressions or sockets being formed in the respective heads for turning the same by means of a suitable tool, terminal annular grooves in the adjacent ends of the heads, a gasket received by said grooves, the ends of the hose being received in the space between the tapering stems and the adjacent walls of the sections, and means for coupling and locking the sections,substantially as set forth.

5. In a hose-coupling, a male. and female section, angular recesses, distributed along the edge of one end of the female section, radially-disposed pins on the wall of the male section for engaging said recesses, a plate carried by the female section, alatch pivoted within a depression of the plate, a chamber in the plate located opposite the inner end of the latch, a spring in said chamber for actuating the latch in one direction, a ridge having an elongated-socket or groove carried by the male section, the walls of the ridge gradually leading to the groove, whereby upon rotation of the male section in the proper di-- rection, the latch will automatically engage the groove, the parts operating substantially as, and for the purpose set forth.

In testimony whereof I affix my signature in presence of two witnesses.

JAMES R. MCFALL.

Witnesses:

EMIL STAREK, MARY D. WHITCOMB. 

